Tom Selleck Frank Reagan Actor Donnie Wahlberg Danny Reagan Actor Bridget Moynahan Erin Reagan Actor Will Estes Jamie Reagan Actor Len Cariou Henry Reagan Actor Jennifer Esposito Detective Jackie Curatola Actor Amy Carlson Linda Reagan Actor Sami Gayle Nicky Reagan-Boyle Actor Gregory Jbara Garrett Moore Guest Star Megan Ketch Detective Kate Lansing Guest Star Robert Clohessy Sid Gormley Guest Star John Rue Ed Hines Guest Star Neal Huff Leaf Memphis Guest Star Abigail Hawk Leaf Memphis Guest Star Tony Terraciano Jack Reagan Guest Star Andrew Terraciano Sean Reagan Guest Star Sally Wheeler Doctor Guest Star Paul Anthony Stewart Peter Westlake Guest Star David Ramsey Mayor Carter Poole Guest Star Marcus Callender EMT, Bike Path Guest Star Robin Campbell Nurse Guest Star Onika Day EMT Guest Star Jason Furlani Uniform Guest Star Traci Hovel Girlfriend 1 Guest Star Tijuana Ricks Guest Star Preston Sadleir Guest Star Dena Tyler Guest Star Mitchell Burgess Executive Producer Robin Green Executive Producer Leonard Goldberg Executive Producer Brian Burns Writer Michael Pressman Director